World War I

Franz Ferdinand Assasination

Jun 28, 1914

The assassination of Archduke of Austria caused the beginnining of World War I

Austria-Hungary declares war on Serbia

Jul 28, 1914

Assasination of Archduke Franz Ferdinand of Austria heir to the Austro Hungarian throne.This is why Austria-Hungary declared war on Serbia

first use of gas as a weapon by the germans

1915

United States used chemical weapons. Future President Harry S. Truman was the captain of a U.S field artillery unit that fired poisoned gas against german in 1918

sinking of the lusitania

May 7, 1915

during world war I,as Germany waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany. The ship was identified and tropedo by the German U-boat U-20 and sink in 18 minutes

Wilson reelected;pledged American neutrality

1916

Most Americans agreed to stay neutral in the war. Many found it difficult to stay neutral as well. Some americans had family in Germany. Then again, A lot of Americans had family in Britain as well. This is when Wilson was reelected

Zimmerman Note

1917

This was a secret diplomatic communication issued from the German foreign office. This proposed a miltary alliance between Germany and Mexico.

U.S declares war

1917

President Wilson went to a joint session of Congress to request a declaration of war against germany.

Bolsheviks led my Lenin overthrow Russian government

1917

Led by Lenin his leftist revolutionaries in a revolt against the ineffective Provisional Government.

War ends

Nov 11, 1918

World war I ended at 11 am. Germany signed an armistice (an agreement for peace). That had been prepared by Britain and France.

Treaty of Versailles

Jun 28, 1919

This treaty brought World War I to an end. The treaty ended the state of war between Germany and the Allied Powers